Home / 13,930.13-20,897.18-4,570.88

Finding the Fourth Proportional to 13,930.13, 20,897.18 and 4,570.88

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Solution

The fourth proportional to 13,930.13, 20,897.18 and 4,570.88 is: 6,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.13 : 20,897.18 = 4,570.88 : x
  2. Step 2: Convert to fraction form
    13,930.13/20,897.18 = 4,570.88/x
  3. Step 3: Cross multiply
    13,930.13x = 20,897.18 × 4,570.88
  4. Step 4: Simplify right side
    13,930.13x = 95,518,374.78
  5. Step 5: Solve for x
    x = 95,518,374.78/13,930.13
  6. Step 6: Final answer
    x = 6,856.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.